curl_version_info.3: fix ssl_version description
Reported-by: Vincas Razma
Fixes #2364
diff --git a/docs/libcurl/curl_version_info.3 b/docs/libcurl/curl_version_info.3
index 4412071..e69e312 100644
--- a/docs/libcurl/curl_version_info.3
+++ b/docs/libcurl/curl_version_info.3
@@ -5,7 +5,7 @@
.\" * | (__| |_| | _ <| |___
.\" * \___|\___/|_| \_\_____|
.\" *
-.\" * Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
+.\" * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
.\" *
.\" * This software is licensed as described in the file COPYING, which
.\" * you should have received as part of this distribution. The terms
@@ -169,8 +169,9 @@
.IP CURL_VERSION_BROTLI
supports HTTP Brotli content encoding using libbrotlidec (Added in 7.57.0)
.RE
-\fIssl_version\fP is an ASCII string for the OpenSSL version used. If libcurl
-has no SSL support, this is NULL.
+\fIssl_version\fP is an ASCII string for the TLS library name + version
+used. If libcurl has no SSL support, this is NULL. For example "WinSSL",
+\&"SecureTransport" or "OpenSSL/1.1.0g".
\fIssl_version_num\fP is always 0.